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ICallFrame::WalkFrame method

Searches for interface pointers that are reachable from [in], [in, out], or [out] parameters of the frame.

Syntax


HRESULT WalkFrame(
  [in]  DWORD walkWhat,
  [in]  ICallFrameWalker *pWalker
);

Parameters

walkWhat [in]

Flags from the CALLFRAME_WALK enumeration.

pWalker [in]

A pointer to an instance of the ICallFrameWalker interface. When specified, a call back is made for each interface pointer encountered. This parameter is optional.

Return value

This method can return the following values.

Return codeDescription
S_OK

The method completed successfully.

E_UNEXPECTED

An unexpected error has occurred.

 

Requirements

Minimum supported client

Windows 2000 Professional [desktop apps only]

Minimum supported server

Windows 2000 Server [desktop apps only]

Header

Callobj.h

IDL

Callobj.idl

IID

IID_ICallFrame is defined as D573B4B0-894E-11d2-B8B6-00C04FB9618A

See also

ICallFrame

 

 

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